News tagged with sediment cores
Professor hatches century-old eggs to study evolution
Jul 17, 2009 |
4.4 / 5 (13) |
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(PhysOrg.com) -- Suspending a life in time is a theme that normally finds itself in the pages of science fiction, but now such ideas have become a reality in the annals of science.
Scientists Return from Expedition to Drill Beneath Frozen Russian Lake
Space & Earth / Earth Sciences
May 28, 2009 |
4.7 / 5 (7) |
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(PhysOrg.com) -- A team of scientists from the United States, Germany, Russia and Austria has just returned from a six-month drilling expedition to a frozen lake in Siberia: Lake El'gygytgyn, "Lake E" for ...
The first evidence of pre-industrial mercury pollution in the Andes
May 18, 2009 |
4.4 / 5 (9) |
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The study of ancient lake sediment from high altitude lakes in the Andes has revealed for the first time that mercury pollution occurred long before the start of the Industrial Revolution.
Search results for sediment cores
Arctic lake sediments show warming, unique ecological changes in recent decades
Space & Earth / Earth Sciences
Oct 19, 2009 |
4 / 5 (9) |
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An analysis of sediment cores indicates that biological and chemical changes occurring at a remote Arctic lake are unprecedented over the past 200,000 years and likely are the result of human-caused climate ...
Warming climate may cause arctic tundra to burn
Mar 05, 2008 |
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Research from ancient sediment cores indicates that a warming climate could make the world’s arctic tundra far more susceptible to fires than previously thought. The findings, published this week in the online journal, PLoS ON ...
Subseafloor sediment in South Pacific Gyre one of the least inhabited places on Earth
Space & Earth / Earth Sciences
Jun 22, 2009 |
4.5 / 5 (4) |
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(PhysOrg.com) -- An international oceanographic research expedition to the middle of the South Pacific Gyre - a site that is as far from continents as it is possible to go on Earth's surface - found so few organisms beneath ...
Sediment yields climate record for past half-million years
Space & Earth / Earth Sciences
Jun 15, 2009 |
4.5 / 5 (10) |
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Researchers here have used sediment from the deep ocean bottom to reconstruct a record of ancient climate that dates back more than the last half-million years.
Plants could override climate change effects on wildfires
Apr 21, 2009 |
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(PhysOrg.com) -- The increase in warmer and drier climates predicted to occur under climate change scenarios has led many scientists to also predict a global increase in the number of wildfires. But a new ...
'Lost' sediments show details of polar magnetic field
Space & Earth / Earth Sciences
Feb 28, 2008 |
4.5 / 5 (6) |
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UC Davis researchers studying cores of sediment collected 40 years ago have found evidence for magnetic field vortices in the Earth's core beneath the South Pole. The results contrast with earlier studies at lower latitudes, ...
Early initiation of Arctic sea-ice formation
Space & Earth / Earth Sciences
Jul 15, 2009 |
4.2 / 5 (11) |
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Significant sea ice formation occurred in the Arctic earlier than previously thought is the conclusion of a study published this week in Nature. "The results are also especially exciting because they suggest that sea ice fo ...
Study: Tropical wetlands hold more carbon than temperate marshes
Space & Earth / Earth Sciences
Oct 08, 2008 |
3 / 5 (2) |
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In one of the first comparisons of its kind, researchers have demonstrated that wetlands in tropical areas are able to absorb and hold onto about 80 percent more carbon than can wetlands in temperate zones.
Ocean health plays vital role in coral reef recovery, study shows
Jul 22, 2009 |
3 / 5 (2) |
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The new research study led by scientists at Scripps Institution of Oceanography at UC San Diego suggests that by improving overall ocean health, corals are better able to recover from bleaching events, which ...
International expedition investigates climate change, alternative fuels in Arctic
Space & Earth / Earth Sciences
Nov 20, 2009 |
3 / 5 (1) |
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Scientists from the Marine Biogeochemistry and Geology and Geophysics sections of the Naval Research Laboratory (NRL) organized and led a team of university and government scientists on an Arctic expedition ...
List of search results for sediment cores
